nir/deref: Rematerialize parents in rematerialize_derefs_in_use_blocks

[mesa.git] / src / compiler / nir / nir_deref.c

diff --git a/src/compiler/nir/nir_deref.c b/src/compiler/nir/nir_deref.c
index 13aa10c753249c304ad5892aacae3bc564b13ac4..7b56611915d8717f25e6f74044d96cc70856b8d1 100644 (file)
--- a/src/compiler/nir/nir_deref.c
+++ b/src/compiler/nir/nir_deref.c
@@ -574,10 +574,9 @@ nir_rematerialize_derefs_in_use_blocks_impl(nir_function_impl *impl)
          _mesa_hash_table_clear(state.cache, NULL);
 
       nir_foreach_instr_safe(instr, block) {
-         if (instr->type == nir_instr_type_deref) {
-            nir_deref_instr_remove_if_unused(nir_instr_as_deref(instr));
+         if (instr->type == nir_instr_type_deref &&
+             nir_deref_instr_remove_if_unused(nir_instr_as_deref(instr)))
             continue;
-         }
 
          state.builder.cursor = nir_before_instr(instr);
          nir_foreach_src(instr, rematerialize_deref_src, &state);